Miranda Lambert and Carrie Underwood team up for "Somethin' Bad" as hunky husbands — country star Blake Shelton and NHL player Mike Fisher — bob their heads. Pop angel Lorde, who took Billboard Music trophies for breakthrough artist and top rock song for the ubiquitous hit "Royals," performs in front of blue-tinted stage lights. Singer Dan Reynolds and guitarist Wayne Sermon of Imagine Dragons go from playing in small bars to jamming on the big stage at the MGM Grand Garden Arena in their Las Vegas hometown.

These are just some of the memorable images as the music industry celebrated its big night at the Billboard Music Awards.

Luke Bryan, center, and from left, Brian Kelley and Tyler Hubbard, of the musical group Florida Georgia Line, perform at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 18, 2014, in Las Vegas. (Photo by Chris Pizzello/Invision/AP) (Chris Pizzello/Chris Pizzello/Invision/AP)

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Shakira performs at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 18, 2014, in Las Vegas. (Photo by Chris Pizzello/Invision/AP) (Chris Pizzello/Chris Pizzello/Invision/AP)

Shania Twain, left, presents the award for top rock album to Dan Reynolds, of the musical group Imagine Dragons, at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 18, 2014, in Las Vegas. (Photo by Chris Pizzello/Invision/AP) (Chris Pizzello/Chris Pizzello/Invision/AP)

Casper Smart, left, and Jennifer Lopez arrive at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 18, 2014, in Las Vegas. (Photo by John Shearer/Invision/AP) (John Shearer/John Shearer/Invision/AP)

Ke$ha arrives at the Billboard Music Awards at the MGM Grand Garden Arena on Sunday, May 18, 2014, in Las Vegas. (Photo by John Shearer/Invision/AP) (John Shearer/John Shearer/Invision/AP)